Results 31 to 40 of about 899,395 (304)

Study on the Oxygen Consumption Rule of Hydroponic Cotton in Different Periods

open access: yesApplied Bionics and Biomechanics, 2022
In this paper, the decay law of dissolved oxygen in the culture solution of cotton in the seedling stage, bud stage, and blossoming and boll-forming stage was studied via hydroponic cotton experiments, and then, the oxygen consumption and its rule of ...
Yanbo Fu   +5 more
doaj   +1 more source

Study of the Effect of Dissolved Oxygen Concentration on Gold Recovery Leaching at PT Indo Muro Kencana

open access: yesEquilibrium, 2023
Gold is a very important metal in human life. Most gold is processed using the sodium cyanide (NaCN) leaching method. Maximizing the leaching recovery can be done by optimizing the leaching process parameters, one of which varies the concentration of ...
Frideni Yushandiana Putri GF   +2 more
doaj   +1 more source

Hyperosmotic stress induces PARP1‐mediated HPF1‐dependent mono(ADP‐ribosyl)ation

open access: yesFEBS Letters, EarlyView.
Sorbitol‐induced hyperosmotic stress rapidly induces reversible mono(ADP‐ribosyl)ation (MARylation) on PARP1 without the signs of genotoxic signaling. We show that PARP1 autoMARylation is HPF1 dependent and forms hydroxylamine‐resistant O‐glycosidic linkages.
Anna Georgina Kopasz   +11 more
wiley   +1 more source

Frequency and power dependence of ultrasonic degassing

open access: yesUltrasonics Sonochemistry, 2022
We investigated the time variation of ultrasonic degassing for air-saturated water and degassed water with a sample volume of 100 mL at frequencies of 22, 43, 129, 209, 305, 400, 514, 1018, and 1960 kHz and ultrasonic power of 15 W.
Yoshiyuki Asakura, Keiji Yasuda
doaj   +1 more source

A preliminary assessment of water quality in fish cages on Lake Kariba, Zimbabwe [PDF]

open access: yes, 1994
The water quality in fish cages on Lake Kariba was studied. The Kruskal-Wallis test was used to determine whether the water quality parameters differed significantly among the cage-types (cage-type effect). Secchi disc readings ranged from 2 to 4 metres,
Mhlanga, W.
core  

Tumour–host interactions in Drosophila: mechanisms in the tumour micro‐ and macroenvironment

open access: yesMolecular Oncology, EarlyView.
This review examines how tumour–host crosstalk takes place at multiple levels of biological organisation, from local cell competition and immune crosstalk to organism‐wide metabolic and physiological collapse. Here, we integrate findings from Drosophila melanogaster studies that reveal conserved mechanisms through which tumours hijack host systems to ...
José Teles‐Reis, Tor Erik Rusten
wiley   +1 more source

Minimization of Excess Sludge in Activated Sludge Systems [PDF]

open access: yesآب و فاضلاب, 2006
The disposal of excess sludge from wastewater treatment plant represents a rising challenge in activated sludge processes. Hence, the minimization of excess sludge production was investigated by increasing the dissolved oxygen in aeration basin. Units of
Sayed Ali Reza Momeni   +1 more
doaj  

Dissolved Oxygen Balance Model for Neris

open access: yesNonlinear Analysis, 2001
We consider a dissolved oxygen balance model for Neris, which includes biochemical oxygen demand, nitrification, sedimentation, algae respiration and photosynthesis. The load from point sources, tributaries and distributed sources are taken into account.
Gaudenta
doaj   +1 more source

2004 Lamprey River Dissolved Oxygen Study [PDF]

open access: yes, 2005
As part of the National Estuarine Research Reserve System, the Great Bay System-Wide Monitoring Program (SWMP) produces in situ water quality data for four sites in and around Great Bay.
Pennock, Jonathan
core   +1 more source

Matagorda Bay and Nearby Coastal Waters Dissolved Oxygen and pH TMDL Assessment Report [PDF]

open access: yes, 2006
This project provides technical support to the Texas Commission on Environmental Quality (TCEQ) for the development of a Total Maximum Daily Load (TMDL).
Applebaum, Sally, Montagna, Paul A.
core   +1 more source

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